NPPES file of Aug 9, 2026

William Kushner, DDS

Dentist · San Ramon, CA

William Kushner, DDS is a dentist with a practice address in San Ramon, California, and NPI 1679762793, issued on Oct 16, 2007. Check the license (California 42171, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679762793
Name
William Kushner
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
42171 CA
Self-reported in NPPES; status is on the state search
Practice location
525 Bollinger Canyon Way, San Ramon, CA 94582
Phone
(925) 968-1748
Enumerated
Oct 16, 2007
Record last updated
May 22, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 525 Bollinger Canyon Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Charity Duncan Kachalia, DDSDentist1003235763
  2. Alan Kushner, D.D.S.General Practice Dentistry1073659827
  3. Pierre Lacrampe, DMDDentist1194918847
  4. Michael Oneill, DDSGeneral Practice Dentistry1326261025
  5. Alice Tai, DDSPeriodontics1760593933

Verify William Kushner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 42171
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $159.70

2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Kushner$159.70
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William Kushner among 14,729 dentist records in California

William Kushner, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.

  • NPI issued2007 · 18% of these records are older, 58% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2024 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

49 dentist records list a practice address in San Ramon

They are 49 of the 2,281 NPPES records with a practice address in San Ramon, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Roger Chang, DDSSan Ramon, CA 945821730516519
  2. Shilpi Chovatia, D.D.S.San Ramon, CA 945821851642672
  3. Charity Duncan Kachalia, DDSSan Ramon, CA 945821003235763
  4. Ammal ElbehesiSan Ramon, CA 945821568293660
  5. Erik HeadSan Ramon, CA 945821346379476
  6. Pierre Lacrampe, DMDSan Ramon, CA 945821194918847
  7. Christine Lee, DMDSan Ramon, CA 945821174965289
  8. Sharda PatelSan Ramon, CA 945821285065425

Common questions

What is William Kushner, DDS's NPI number?

William Kushner, DDS's National Provider Identifier (NPI) is 1679762793, issued on Oct 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Kushner, DDS located?

The NPPES record lists a practice address at 525 Bollinger Canyon Way, San Ramon, CA, 94582. Phone: (925) 968-1748. Providers update this record themselves, so call before visiting.

How can I verify William Kushner, DDS's license?

NPPES lists California license number 42171, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.